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+\documentclass[a4paper]{scrartcl}
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+\usepackage{amssymb, amsmath} % needed for math
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+\usepackage[utf8]{inputenc} % this is needed for umlauts
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+\usepackage[ngerman]{babel} % this is needed for umlauts
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+\usepackage[T1]{fontenc} % this is needed for correct output of umlauts in pdf
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+\usepackage[margin=2.5cm]{geometry} %layout
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+\usepackage{hyperref} % links im text
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+\usepackage{parskip}
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+
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+\title{Minimal distance to a cubic function}
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+\author{Martin Thoma}
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+
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+\hypersetup{
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+ pdfauthor = {Martin Thoma},
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+ pdfkeywords = {},
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+ pdftitle = {}
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+}
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+
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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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+% Begin document %
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+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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+\begin{document}
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+\maketitle
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+\begin{abstract}
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+In this paper I want to discuss how to find the minimal distance of a
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+point $P = (x_p, y_p)$ to a cubic function $f: \mathbb{R} \rightarrow \mathbb{R}$,
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+$f(x) = a \cdot x^3 + b \cdot x^2 + c \cdot x + d$.
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+
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+So I search for $x \in \mathbb{R}$ such that \dots
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+\end{abstract}
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+
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+\section{Minimal distance constant function}
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+Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla
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+quam elit, vestibulum nec facilisis at, condimentum id enim. Sed
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+iaculis lacinia quam, vel accumsan eros tempor in. Integer ipsum
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+metus, accumsan sit amet commodo a, egestas vitae sem. Mauris ut
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+orci ut dolor viverra convallis nec a erat. Aenean consequat elit
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+vel eros fermentum vestibulum id at ipsum. In vitae orci mauris, et
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+rhoncus odio. Pellentesque habitant morbi tristique senectus et netus
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+et malesuada fames ac turpis egestas.
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+\end{document}
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